Question

I need help with 1-3 and 5-6 pls

Answer 1

• Answer:
• add all the equation for example the first question in there would be like

(note - an equation contains an is equal to sign [=] and if a problem does not have an is equal to sign then it becomes an expression)

• Step-by-step explanation:

• 2n°, 55°, 49°

just add all of them making an equation like

2n° + 55° + 49° = 180° (angle sum property)

2n° + 104 = 108°

2n° = 108° - 104

i.e., 2n° = 76°

n = 76/2 therefore,

n = 38